Higher aerobic fitness levels are associated with better word production skills in healthy older adults
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Older adults with a better ability to use oxygen during exercise (VO2max), which is a marker of fitness levels, are better at retrieving words from memory and have less age-related language failures such as “tip-of-the-tongue” states.
Tip-of-the-tongue states occur when the meaning of a word is available in our memory, but the sound form of the word can temporarily not be accessed.
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Higher VO2max is also associated with improved blood flow to the brain, which may play a role in some of the long-term brain benefits.